Thermoplastic bag with integral draw strip and method of manufac

Details Thermoplastic bag with integral draw strip and method of manufac Thermoplastic bag with integral draw strip and method of manufac

1988-08-22

1990-06-05

Little, Willis

Flexible bags

With closure

Gathered bag mouth

383 76, B65D 3328

Patent

active

049309056

ABSTRACT:
A thermoplastic bag with a separably integral draw strip which is extruded concurrently with the thermoplastic film of the bag body and has a thicker dimension than the thermoplastic film. The draw strip is confined within a tubular channel defining an open mouth for the bag.

REFERENCES:
patent: 3029583 (1959-11-01), Piazzi
patent: 3285309 (1966-11-01), Northcott
patent: 3414032 (1967-03-01), Jortikka
patent: 3506048 (1970-04-01), Jortikka
patent: 3738568 (1973-06-01), Ruda
patent: 3752388 (1973-08-01), Lynch
patent: 3982687 (1976-09-01), Auer et al.
patent: 4624654 (1986-11-01), Boyd
patent: 4628536 (1986-12-01), Herrington

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